Constitutional Law – Social workers can’t be sued by mom after dad murders son

The federal district court should have granted state-agency employees immunity from plaintiff’s due-process and gross-negligence claims arising from the murder of her son by his father.
Facts
Oliver Braman murdered his son, Nicholas. Rebbecca Jasinski, Nicholas’ mother, sued employees and officials of Michigan Child Protective Services and the Michigan Department of Human Services, claiming that their inaction ...